May 2003
Volume 44, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2003
Comparison of Preoperative Conjunctival Bacterial Flora in Patients Undergoing Glaucoma or Cataract Surgery
Author Affiliations & Notes
  • K.O. Kreidl
    Ophthalmology, Stanford University, Stanford, CA, United States
  • K. Singh
    Ophthalmology, Stanford University, Stanford, CA, United States
  • H. Miño de Kaspar
    Ophthalmology, Stanford University, Stanford, CA, United States
  • C.N. Ta
    Ophthalmology, Stanford University, Stanford, CA, United States
  • Footnotes
    Commercial Relationships  K.O. Kreidl, None; K. Singh, None; H. Miño de Kaspar, None; C.N. Ta, None.
Investigative Ophthalmology & Visual Science May 2003, Vol.44, 2164. doi:
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      K.O. Kreidl, K. Singh, H. Miño de Kaspar, C.N. Ta; Comparison of Preoperative Conjunctival Bacterial Flora in Patients Undergoing Glaucoma or Cataract Surgery . Invest. Ophthalmol. Vis. Sci. 2003;44(13):2164.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Abstract: : Purpose: To assess the difference in conjunctival bacterial flora of patients undergoing glaucoma or cataract surgery. Methods: Conjunctival cultures were obtained via swab in 339 patients undergoing either cataract (N=258) or glaucoma (N=81) surgery. All cultures were obtained 5 days prior to surgery and were inoculated in blood agar, chocolate agar and blood culture broth media. Bacterial isolates were identified and antibiotic susceptibility determined. Results: Overall, 83.3% of samples from cataract surgery patients and 76.5% undergoing glaucoma surgery patients tested positive for bacterial growth (p=0.2246). Several cultures grew multiple bacterial species. The following table shows the proportion of eyes testing positive for each organism in the cataract and glaucoma surgery groups: Conclusions: There was no difference between the two groups in the proportion of samples with positive bacterial growth. With the exception of greater Corynebacterium growth in the cataract surgery group (p=0.0003), there was no significant difference in the types of organisms, which colonized eyes undergoing glaucoma versus cataract surgery. Preoperative bacteria isolated  

Keywords: bacterial disease • microbial pathogenesis: clinical studies • clinical (human) or epidemiologic studies: treatment/prevention assessment/controlled clinical trials 
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